Home / 3,953.93-5,456.62-2,275.59

Finding the Fourth Proportional to 3,953.93, 5,456.62 and 2,275.59

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Solution

The fourth proportional to 3,953.93, 5,456.62 and 2,275.59 is: 3,140.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.93 : 5,456.62 = 2,275.59 : x
  2. Step 2: Convert to fraction form
    3,953.93/5,456.62 = 2,275.59/x
  3. Step 3: Cross multiply
    3,953.93x = 5,456.62 × 2,275.59
  4. Step 4: Simplify right side
    3,953.93x = 12,417,037.55
  5. Step 5: Solve for x
    x = 12,417,037.55/3,953.93
  6. Step 6: Final answer
    x = 3,140.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.